16323446147 has 2 divisors, whose sum is σ = 16323446148. Its totient is φ = 16323446146.

The previous prime is 16323446143. The next prime is 16323446171. The reversal of 16323446147 is 74164432361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16323446147 - 2² = 16323446143 is a prime.

It is a super-2 number, since 2×16323446147² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16323446141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8161723073 + 8161723074.

It is an arithmetic number, because the mean of its divisors is an integer number (8161723074).

Almost surely, 2^16323446147 is an apocalyptic number.

16323446147 is a deficient number, since it is larger than the sum of its proper divisors (1).

16323446147 is an equidigital number, since it uses as much as digits as its factorization.

16323446147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 41.

The spelling of 16323446147 in words is "sixteen billion, three hundred twenty-three million, four hundred forty-six thousand, one hundred forty-seven".